*,body {
  margin: 0;
  padding: 0;
  list-style: none;
  /* overflow-x: hidden; */
}

.show {
  opacity: 1;
}

.hide {
  opacity: 0;
}

a {
  text-decoration: none;
}

header,section,footer,article {
  text-align: center;
  overflow: hidden;
}

.font-12 {
  font-size: 12px;
}

.font-14 {
  font-size: 14px;
}

/*文字通用颜色*/
.color-title {
  color: #a6793d;
}

.col-b6 {
  color: #b6b6b6;
}

.col-000 {
  color: #000000;
}

.col-444 {
  color: #444;
}

/*浮动及清除浮动*/
.fl-right {
  float: right;
}

.clearfix:after{
  content:"";
  display:block;
  height:0;
  clear:both;
  visibility:hidden; 
}

/*头部*/
header {  
  background: #1e2326;
  /* width: 100%; */
  position: relative;
  top: 0;
  left: 0;
  overflow: hidden;
}

header nav {
  padding: 0.2rem 0;
  position: relative;
  margin: 0 auto;
  cursor: pointer;
}

header nav ul {
  position: relative;
  margin: auto;
  height: 5rem;
  display: inline-flex;
  align-items: center;
}

header nav ul li,
header nav ul .center-nav .item .list {
  width: 11.8rem;
  line-height: 5rem;
  /* margin: 0 0.5rem; */
}

header nav ul li:nth-child(1) {
  width: 3.25rem;
  background: url(../img/musicplay.png) no-repeat 0 center;
  background-size: contain;
  position: fixed;
  left: 4.5rem;
}

/*导航中间三个nav*/
header nav ul .center-nav {
  width: 36.4rem;
}

header nav ul .center-nav .item {
  display: inline-flex;
  align-items: center;
  /* background: url(../img/topnav.jpg) no-repeat 0 0;
  background-size: 100%;
  background-position: center -0.5rem; */
}

header nav ul .center-nav .item .n1,
header nav ul .center-nav .item .n2,
header nav ul .center-nav .item .n3 {
  background: url(../img/topnav.jpg) no-repeat 0 0;
  background-size: 36.4rem auto;
}
 
header nav ul .center-nav .item .n1 {  
  background-position: left -0.5rem;
}

header nav ul .center-nav .item .n2 {  
  background-position: center -0.5rem;
}

header nav ul .center-nav .item .n3 {  
  background-position: right -0.5rem;
}

header nav ul .center-nav .item .n1:hover {
  background-position: left -5.9rem;
}

header nav ul .center-nav .item .n2:hover {  
  background-position: center -5.9rem; 
}

header nav ul .center-nav .item .n3:hover { 
  background-position: right -5.9rem; 
}


header nav ul .center-nav .item .list {
  /* margin: 0 0.5rem 0 0; */
}

header nav ul .center-nav .item .list a {
  display: block;
}

.down {
  background: url(../img/down.jpg) no-repeat 0 0;
  background-size: contain;
  background-position: center;
}

.recharge {
  background: url(../img/recharge.jpg) no-repeat 0 0;
  background-size: contain;
  background-position: center;
}

header nav ul li a { 
  color: #fff;
} 

/*banner图*/
section {
}

section .banner div {
  margin: 0;
  padding: 0;
  /* height: 7.88rem; */
  margin-top: -0.3rem;
}

section .banner div img {
  width: 100%;
}

/*游戏详情*/
article {
  background: #efead7;
  padding: 0 2.5rem;
}

.btn-box {
  width: 100%;
  height: 5rem;
  margin-top: -5.5rem;
  position: absolute;
  z-index: 1000;
  -webkit-animation: fadeInDown 1s linear forwards;
  animation: fadeInDown 1s linear forwards;
}

.btn-box .btn-act {
  margin: 0 1rem;
  display: inline-block;
  align-content: center;
  align-items: center;
}

.btn-box .act1 { 
  width: 12.3rem;
  height: 4.3rem;
  background: url(../img/btn_act.png) no-repeat 0 0;
  background-size: 40rem;
  background-position: 1rem 1rem;
}

.btn-box .act2 { 
  width: 12.3rem;
  height: 4.3rem;
  background: url(../img/btn_act.png) no-repeat 0 0;
  background-size: 40rem;
  background-position: -11.5rem 1rem;
}

.btn-box .act3 {  
  width: 12.3rem;
  height: 4.3rem;
  background: url(../img/btn_act.png) no-repeat 0 0;
  background-size: 40rem;
  background-position: -24.5rem 1rem;
}

.btn-box .act1:hover,
.btn-box .act2:hover,
.btn-box .act3:hover {
  animation: slideDown .1s linear forwards;
  -webkit-animation: slideDown .1s linear forwards;
}

@keyframes slideDown {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-1rem);
  }
}

/*页面加载时按钮下降*/
@keyframes fadeInDown {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(3rem);
  }
}


/*新闻列表 */
article {
  padding-bottom: 1rem;
}

.out-list-box {
  /* background: teal; */
  text-align: center;
  background: url(../img/g_bg2.png) no-repeat 0 0;
  background-size: 100% 100%;
  background-position: center;
}

.news-box {
  /* width: 98%; */
  display: inline-flex;
  margin: 2.5rem 0 0 0;
}

.news-box div {
  padding: 1rem;
}

.news-box .news-left {
  width: 44.5rem;
  border: 1px solid #766f6f;
}

.news-box .news-left .new-title:hover, 
.news-box .new-right .new-title:hover {
  cursor: pointer;
  box-shadow: 20px 20px 50px #ccc inset;
}

.news-box .news-left .new-title,
.news-box .new-right .new-title {
  height: 25.8rem;
  text-align: left;
  background: #fcfbf8;
  margin: 0.5rem 0 0 0;
}

.news-box .news-left .new-title h3,
.news-box .new-right .new-title h3 {
  margin-top: 0.5rem;
  height: 2rem;
  background: url(../img/icon_.png) no-repeat left center;
  background-size: contain;
  text-indent: 2.2rem;
  font-weight: 600;
}

.news-box .news-left .new-title h3 span,
.news-box .new-right .new-title h3 span,
.gamegif-box .gif-title h3 span {
  vertical-align: middle;
}

.news-box .news-left .new-title h3 .more {
  background: url(../img/icon_more.png) no-repeat right center;
  font-weight: lighter;
  padding-right: 2rem;
}

.news-box .new-right {
  width: 27.5rem;
  /* height: 27rem; */
  margin-left: 1rem;
  border: 1px solid #766f6f;
}

.news-box .new-right .content-box {
  height: 22.3rem;
  padding: 1rem 0 0 0 !important;
}

.news-box .new-right .content-box img {
   width: 100%; 
   height: 100%;
}

/*游戏动图*/
.gamegif-box .gif-box {  
  background: #fff;
  box-shadow: 20px 20px 50px #ccc inset;
  padding: 0.5rem;
}

.gamegif-box .gif-box .img-box {
  padding: 0.3rem;
}

article .gamegif-box {
  height: auto;
  border: 1px solid #766f6f;
  text-align: center;
  margin: 1.5rem 1.2rem;
  padding: 1rem;
}

.gamegif-box .gif-title {
  text-align: left;
  height: 3rem;
  line-height: 3rem;
  border-bottom: 1px solid #766f6f;
  padding-bottom: 1rem;
  margin-bottom: 0.5rem;
  height: 2rem;
  background: url(../img/icon_.png) no-repeat left center;
  text-indent: 2.2rem;
  font-weight: 600;
}

article .gamegif-box img {
  width: 100%;
}

/*底部*/
footer {  
  width: 100%;
  background: #000;
}

footer .footer-box {
  width: 75%;
  color: #fff;
  display: inline-flex;
  color: #fff;
}

footer .footer-box div {
  vertical-align: middle;
}

footer .footer-box .foot-left {
  padding: 0 3.5rem;
  background: url(../img/bomlogo1.png) no-repeat center center;
  background-size: 112%;
  margin-right: 1rem;
}

footer .footer-box .foot-right div {
  margin: 0.5rem 0;
}

footer .footer-box .foot-right .item {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
}

footer .footer-box .foot-right .item a {
  display: block;
  margin: 0.5rem 0.5rem 0 0.5rem;
}

footer .footer-box .foot-right .item a:hover {
  text-decoration: underline;
}

.gif-footer {
  text-align: center;
}

/*返回顶部按钮*/
.top-btn {
  cursor: pointer;
  /* border: 1px solid #ccc; */
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: url(../img/arow.png) no-repeat center center;
  background-size: 50%;
  position: absolute;
  right: 0.3rem;
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(26,26,26,.1);
}


/*下载链接页面样式*/
#body-down {
  background: #000;
  position: relative;
  overflow: hidden;
}
.mask-box {
  position: absolute;
  bottom: 2rem;
  width: 100%;
}
.mask-box .mask {
  width: 60%;
  background: rgba(0,0,0,0.4);
  position: relative;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  margin: auto;
  padding: 0.2rem;
  color: #fff;
  font-size: 14px;
}
.mask-box .mask .title {
  margin-top: -1.8rem;
}
.mask-box .mask .title h3::before,
.mask-box .mask .title h3::after {
  display: table-cell;
  content: '';
  width: 50%;
  background: -webkit-linear-gradient(#eee, #eee) repeat-x left center;
  background: linear-gradient(#eee, #eee) repeat-x left center;
  background-size: 0.1rem 0.1rem;
}
.mask-box .mask h3 {
  letter-spacing: 0.25rem;
}
.mask-box .mask .top,
.mask-box .mask .bottom  {
  border: 2px #07121e solid;
  margin: 0.8rem;
  background-color: rgba(170,170,170,0.3);
  padding: 1rem;
}

.mask-box .mask .top p {
  margin: 0.5rem 0;
  text-align: left;
}

.mask-box .mask .bottom div {
  margin: 0.5rem 0;
}

.mask-box .mask .bottom .item {
  display: inline-flex;
}
.mask-box .mask .bottom .item div {
  /* width: 7.5rem; */
  height: 1.8rem;
  line-height: 1.8rem;
  margin: 1.5rem 1rem 1rem 0;
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  background: #07121e;
}

.mask-box .mask .bottom .item div a {   
  color: #ffffff;   
}

.mask-box .mask .bottom .item div:hover {
  background: #af0101;
  color: #07121e;
}
.mask-box .mask .bottom .item div a:hover {      
  color: #07121e;
}

.fieldset {
  display: block;
  margin-inline-start: 2px;
  margin-inline-end: 2px;
  padding-block-start: 0.35rem;
  padding-inline-start: 0.75rem;
  padding-inline-end: 0.75rem;
  padding-block-end: 0.625rem;
  min-inline-size: min-content;
  border-width: 2px;
  border-style: groove;
  border-color: threedface;
  border-image: initial;
}
